Table 3. Association between socioeconomic status and 5-year survival from breast cancer for all patients and by type of surgery.

	Unadjusted HR (95% CI)	Age-adjusted HR (95% CI)	Age-and stage adjusted HR (95% CI)
All patients	1.14 (1.11–1.16)	1.11 (1.08–1.13)	1.08 (1.05–1.11)
Breast-conserving surgery group	1.13 (1.07–1.19)	1.14 (1.08–1.20)	1.13 (1.07–1.19)
Mastectomy group	1.05 (1.01–1.09)	1.04 (1.00–1.08)	1.04 (1.00–1.08)
No surgery group	1.04 (1.00–1.08)	1.04 (1.00–1.08)	1.03 (0.98–1.08)

CI=confidence interval; HR=hazard ratio.